题目

I’m a TV show host. One Sunday, I took my7-year-old daughter by the sea for lunch. On arriving at the beach, I saw JoJo, a wealthy man in the hotel business. We sat down to chat in an open air café.Suddenly our conversation was interrupted（中断）by a stranger, who politely asked permission(容许) to speak to me. Often people want to tell me something about my controversial（有争议的）TV show, when I’m out on the streets.He asked to speak to me privately, so we stood a bit away from my table. He said, “I’m James, 35 years old, father of a 7-year-old girl, who’s very sick.集合M={（x，y）|2x+y≤4}，P={（x，y）|x-y≥-1}，S={（x，y）|x-2y≤2}，若集合T=M∩P∩S，点E（x，y）∈T，则z=x+y的最小值是（ ）A．2B．3C．-7D．15